Cheap flights from Portland, Maine to Louisville from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Louisville departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland, Maine to Louisville
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Portland, Maine to Louisville
Our best Delta deals on Portland, Maine to Louisville flight tickets
American Airlines flights from Portland, Maine to Louisville
Our best American Airlines deals on Portland, Maine to Louisville flight tickets
See travel insights to Louisville from
How to get the cheapest flight ticket from Portland, Maine to Louisville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Louisville?
If you are unable to visit Louisville during the month of June, then departing from Portland, Maine during the month January is also very affordable. Most momondo users find prices during this month for around $331.
What is the cheapest day to depart on your flight to Louisville?
On average, the least expensive day to fly to Louisville from Portland, Maine is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $386. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland, Maine to Louisville on a Tuesday will generally be more expensive and average around $503. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest airline that flies from Portland to Louisville Intl?
American Airlines, Southwest, and United Airlines are the most popular carriers operating from Portland to Louisville Intl
What airlines fly to Louisville?
American Airlines, Delta and Frontier are the top three most popular airlines that fly to Louisville from Portland, Maine according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 7 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland, Maine to Louisville
Cheap Portland, Maine to Louisville (PWM to SDF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Louisville
How far is Portland to Louisville Intl by plane?
A flight from Portland to Louisville Intl will travel around 888.5 mi. By plane, this route typically takes 4h 40m.
When did momondo last update prices for flights from Portland Airport to Louisville Intl Airport?
Prices for flights from Portland Airport to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Louisville Intl Airport?
There are 4 operators available for flights from Portland Airport to Louisville Intl Airport as of June 2025.
How old do you have to be to fly from Portland Airport to Louisville Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Louisville?
momondo data reveals that the most frequently booked airline on the route from Portland, Maine to Louisville is American Airlines, representing 49% of all bookings. The subsequent popular airlines are Delta at 26%, United Airlines at 14%, and Southwest at 11%.
Best airlines flying from Portland, Maine to Louisville
Compare and see reviews for airlines that fly from Portland, Maine to Louisville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $263 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Louisville?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Louisville for you.
Can I find flights from Portland to Louisville with flexible booking policies on momondo?
momondo does allow users to show only those flights to Louisville from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Louisville?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Louisville.
I’m not ready to book a flight from Portland to Louisville right now. Can momondo alert me if prices change?
Price alerts on flights to Louisville from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.